Base | Representation |
---|---|
bin | 100110101001100101… |
… | …1111100100110110010 |
3 | 21221020102011211220210 |
4 | 1031103023330212302 |
5 | 2324441001110003 |
6 | 102044002244550 |
7 | 5665550344533 |
oct | 1152313744662 |
9 | 257212154823 |
10 | 83000019378 |
11 | 32222390041 |
12 | 14104656756 |
13 | 7a99825103 |
14 | 403538868a |
15 | 225ba68503 |
hex | 13532fc9b2 |
83000019378 has 16 divisors (see below), whose sum is σ = 166009498560. Its totient is φ = 27665096496.
The previous prime is 83000019371. The next prime is 83000019407. The reversal of 83000019378 is 87391000038.
It is not an unprimeable number, because it can be changed into a prime (83000019371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277438 + ... + 492921.
It is an arithmetic number, because the mean of its divisors is an integer number (10375593660).
Almost surely, 283000019378 is an apocalyptic number.
83000019378 is an abundant number, since it is smaller than the sum of its proper divisors (83009479182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83000019378 is a wasteful number, since it uses less digits than its factorization.
83000019378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788321.
The product of its (nonzero) digits is 36288, while the sum is 39.
The spelling of 83000019378 in words is "eighty-three billion, nineteen thousand, three hundred seventy-eight".
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